Adjusting The Spring Tension - Otto Bock 17AD100 Nexgear Tango Technical Information

Ankle joint
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Procedure

Adjusting the spring tension

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Adjust the stop of Reaction-module 3. If Reaction-
module 1 is present, adjust the stop to be identical
to Reaction-module 1.
Now retighten the previously loosened spring bolt
of Reaction-module 1.
If Reaction-module 4 is to be adjusted: Loosen the
spring bolt of Reaction-module 2.
Adjust the stop of Reaction-module 4 until the
orthotic joint has no more anterior-posterior play. If
Reaction-module 2 is present, adjust the stop to be
identical to Reaction-module 2.
Now retighten the previously loosened spring bolt
of Reaction-module 2.
If a threaded hole is left unused, secure the hole
with a dummy cap.
If necessary, adjust the settings in the static align­
ment and repeat the steps.
Follow the steps described in "Reaction-module –
dynamic alignment".
The spring tension of the Reaction-modules is set
according to the following adjustment sequence. If
a Reaction-module is not required, the correspond­
ing instructions can be ignored.
Prerequisite: The orthosis has been applied to the
patient.
Prerequisite: All Reaction-modules are mounted with
the Reaction-Springs.
Adjust the spring tension of the spring bolt of Reac­
tion-module 1.
Adjust the spring tension of the spring bolt of Reac­
tion-module 2.
Measure and record the screw-in depth of the
spring bolt in the cover of Reaction-modules 1 and
2 by means of callipers.
Adjust the spring tension of the spring bolt of Reac­
tion-module 3. If Reaction-module 1 is mounted,
transfer the measurement value from Reaction-mod­
ule 1 to Reaction-module 3.
Adjust the spring tension of the spring bolt of Reac­
tion-module 4. If Reaction-module 2 is mounted,
transfer the measurement value from Reaction-mod­
ule 2 to Reaction-module 4.
If a threaded hole is left unused, secure the hole
with a dummy cap.
Have the patient walk while wearing the orthosis.
Readjust the springs if necessary, observing the
adjustment sequence.
17AD100

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